פֶּ֗תַח הַצֵּלָע֙ הַתִּ֣יכֹנָ֔ה אֶל־כֶּ֥תֶף הַבַּ֖יִת הַיְמָנִ֑ית וּבְלוּלִּ֗ים יַֽעֲלוּ֙ עַל־הַתִּ֣יכֹנָ֔ה וּמִן־הַתִּֽיכֹנָ֖ה אֶל־הַשְּׁלִשִֽׁים׃
The door for the clowest row of chambers was in the right side of the house and they went up by winding stairs into the middle row, and out of the middle into the third.
Read kabbalistic (mystical) interpretation of I Kings 6:8: and classical mystical sources.